<?php
namespace app\first\controller;
use think\Controller;
use think\Db;//引入数据库
class Hi extends Controller
{
    public function index()
    {
        return 'hello yunzhi！';
    }
	
	public function yunzhier($text="hi yunzhier")
	{
		$this->assign("result", $text);
		return $this->fetch();
	}
}
